package singleton.simple;

/**
 * @Author： yu.Tan
 * @Date: 2020/10/9 9:57
 * @Description:
 */
public class SingleObject {

    //创建 SingleObject 的一个对象
    private static SingleObject singleObject=new SingleObject();

    //让构造函数为 private，这样该类就不会被实例化
    private SingleObject(){}

    //获取唯一可用的对象
    public static SingleObject getInstance(){
        return singleObject;
    }

    public void showMessage(){
        System.out.println("Hello World!");
    }
}
